EP 3848738 A4 20211027 - DEVICE HAVING VARIABLE TRANSMITTANCE
Title (en)
DEVICE HAVING VARIABLE TRANSMITTANCE
Title (de)
VORRICHTUNG MIT VARIABLER DURCHLÄSSIGKEIT
Title (fr)
DISPOSITIF À TRANSMITTANCE VARIABLE
Publication
Application
Priority
- KR 20180105601 A 20180904
- KR 20180105597 A 20180904
- KR 2019011380 W 20190904
Abstract (en)
[origin: EP3848738A1] The present application relates to a transmittance-variable device. The present application can provide a transmittance-variable device, which can be applied to various applications without causing problems such as a crosstalk phenomenon, a rainbow phenomenon or a mirroring phenomenon, while having excellent transmittance-variable characteristics.
IPC 8 full level
G02B 5/30 (2006.01); G02F 1/13363 (2006.01); G02F 1/137 (2006.01)
CPC (source: EP US)
G02B 27/281 (2013.01 - EP); G02C 7/101 (2013.01 - US); G02F 1/13363 (2013.01 - EP); G02F 1/133636 (2013.01 - US); G02F 1/133638 (2021.01 - US); G02F 1/1337 (2013.01 - US); G02B 5/3033 (2013.01 - EP); G02B 27/0172 (2013.01 - EP); G02F 1/133784 (2013.01 - EP); G02F 1/13725 (2013.01 - EP); G02F 1/1396 (2013.01 - EP); G02F 2202/04 (2013.01 - US); G02F 2202/40 (2013.01 - EP); G02F 2413/08 (2013.01 - EP)
Citation (search report)
- [A] TW M554587 U 20180121 - HENGHAO TECHNOLOGY CO LTD [TW]
- [A] US 2010165257 A1 20100701 - SAITOH YUKITO [JP], et al
- [E] EP 3617786 A1 20200304 - LG CHEMICAL LTD [KR]
- See references of WO 2020050612A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3848738 A1 20210714; EP 3848738 A4 20211027; EP 3848738 B1 20220706; CN 112639551 A 20210409; CN 112639551 B 20220705; JP 2021534454 A 20211209; JP 7222172 B2 20230215; TW 202033991 A 20200916; TW I722556 B 20210321; US 11630330 B2 20230418; US 2021240012 A1 20210805; US 2023213788 A1 20230706; WO 2020050612 A1 20200312
DOCDB simple family (application)
EP 19857593 A 20190904; CN 201980056618 A 20190904; JP 2021507680 A 20190904; KR 2019011380 W 20190904; TW 108131953 A 20190904; US 201917270090 A 20190904; US 202318119416 A 20230309